Data for:
San Mateo, California, United States
List:
Passeriformes > Icteridae

Tawny-shouldered Blackbird

Agelaius humeralis

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Identification

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A gregarious species that uses a wide variety of habitats. It is colored black overall except for a yellow-orange shoulder patch, which is usually visible when perched, but should always be apparent in flight. The very similar male Red-shouldered Blackbird can be told by its redder shoulder. The female Red-shouldered Blackbird lacks color on the shoulder and thus can look nearly identical to a Tawny-shouldered Blackbird when its shoulder patch is hidden; sometimes, identification of females can only be made in flight. The Shiny Cowbird lacks a shoulder patch, is quite glossy, and has a shorter and stouter bill than the Tawny-shouldered Blackbird. Vocalizations include a rough “chet,” a sharp musical “chee,” and a metallic upslurred “willeee.”

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Tawny-shouldered Blackbird

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